Kalends of January twentieth of the moon
. AD 874.
Maengal, tanist of Cluain Moccu Nóis, and Robartach son of the Artificer, bishop of Cell Dara and an excellent scribe and the superior of Cell Achaid, and Lachtnán son of Mochtigern, bishop of Cell Dara and superior of Ferna, died.
Muiredach son of Bran, with the army of the Laigin, laid waste the country as far as Sliab Monduirn and returned to his own territory before evening.
The Picts encountered the dark foreigners in battle, and a great slaughter of the Picts resulted.
Oistín son of Amlaíb, king of the Norsemen, was deceitfully killed by Albann.
Mac Oige, superior of Tamlacht, and Mael Bennachta, bishop of Lusca, fell asleep in peace.
Fechtnach, abbot of Glenn dá Locha, died.